Call the USPS customer service 800 number and complain. It took me about 5 years of being "that asshole customer" to finally get them to deliver my stuff where it belongs. YMMV.
Also, if your mail's delivered to a community stand box there may only one box per stand for packages and it may...
Nice review. Look at rectangular lunch bags for storage/moving around. Padded and you should be able to find something the right size/decoration at Amazon or Walmart for cheap.
The interior of an oring is the same material as the outside so other than effecting the structural intregity. As for getting them off I like either rolling them off with a thumb nail or using an Old Head Tamp/Pick tool and rolling under the ring with the tool parallel to the ring. An Elev8 pick...
Silicon or rubber bung (not bong, bung). Available on amazon or at a homebrewing store. Or look at Green Peace bong (not bung, bong) cleaning plugs. The small one is both genders and looks like it would both pulg the hole and hold the plug with both firmly held.
Yes, but not quite as well cause it's not as cold ...
And, yes, of course. Please don't do this on hot glass. I should have said this, old man brain fart. Room temp = OK, Hot temp = BAD.
Take a smallish piece of dry ice (baskin-robbin's 31 flavors stores are a good source) and a pair of forceps (to protect digits) to chill the cap portion down. Easier than taking it all apart.